São Joaquim da Barra Weather in September
What's the weather like in São Joaquim da Barra (São Paulo) in September 2025?
The climate in São Joaquim da Barra during September can be summarized as warm and reasonably dry.
September is in the spring in São Joaquim da Barra and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 29°C (84°F), whilst at night 17°C (62°F) is normal.
| Daytime temperature | 29.1°C 84.4°F |
|---|---|
| Nightly temperature | 16.7°C 62.1°F |
| Average temperature | 22.9°C 73.2°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 45 mm 1.8 ins |
| Rainy days | 3 days |
| Sea temperature | 21.5°C 70.8°F |
| Humidity | 61% |
| Windspeed | 7.2kph 5 mph |
On average September is the 5th driest month of the year in São Joaquim da Barra with around 45mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
September temperatures in São Joaquim da Barra
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in São Joaquim da Barra in September 2025.
Other monthly averages
Best places to visit in September
São Joaquim da Barra weather stats
| Hottest month: | January | 28.4°C 83.1°F |
|---|---|---|
| Driest month: | August | 11mm 0.4ins |
| Sunniest month: | July | 6.9hrs |
| Coldest month: | June | 25.2°C 77.4°F |
| Wettest month: | January | 302mm 11.9ins |
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